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chronovu-la: Use new trigger API.

This commit is contained in:
Bert Vermeulen 2014-05-28 00:20:51 +02:00
parent 39c64c6a4f
commit aeff7fa286
3 changed files with 49 additions and 56 deletions
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20
hardware/chronovu-la/api.c
View File

@ -26,11 +26,18 @@ static struct sr_dev_driver *di = &chronovu_la_driver_info;
static const int32_t hwcaps[] = {
SR_CONF_LOGIC_ANALYZER,
SR_CONF_SAMPLERATE,
SR_CONF_TRIGGER_TYPE,
SR_CONF_TRIGGER_MATCH,
SR_CONF_LIMIT_MSEC, /* TODO: Not yet implemented. */
SR_CONF_LIMIT_SAMPLES, /* TODO: Not yet implemented. */
};
static const int32_t trigger_matches[] = {
SR_TRIGGER_ZERO,
SR_TRIGGER_ONE,
SR_TRIGGER_RISING,
SR_TRIGGER_FALLING,
};
/* The ChronoVu LA8/LA16 can have multiple VID/PID pairs. */
static struct {
uint16_t vid;
@ -369,10 +376,11 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
grange[1] = g_variant_new_uint64(MAX_NUM_SAMPLES / 2);
*data = g_variant_new_tuple(grange, 2);
break;
case SR_CONF_TRIGGER_TYPE:
case SR_CONF_TRIGGER_MATCH:
if (!sdi || !sdi->priv || !(devc = sdi->priv) || !devc->prof)
return SR_ERR_BUG;
*data = g_variant_new_string(devc->prof->trigger_type);
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
trigger_matches, devc->prof->num_trigger_matches,
sizeof(int32_t));
break;
default:
return SR_ERR_NA;
@ -461,8 +469,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
return SR_ERR;
}
if (cv_configure_channels(sdi) != SR_OK) {
sr_err("Failed to configure channels.");
if (cv_convert_trigger(sdi) != SR_OK) {
sr_err("Failed to configure trigger.");
return SR_ERR;
}

81
hardware/chronovu-la/protocol.c
View File

@ -21,11 +21,9 @@
#include "protocol.h"
SR_PRIV const struct cv_profile cv_profiles[] = {
{ CHRONOVU_LA8, "LA8", "ChronoVu LA8", 8, SR_MHZ(100), "01",
0.8388608 },
{ CHRONOVU_LA16, "LA16", "ChronoVu LA16", 16, SR_MHZ(200), "01rf",
0.042 },
{ 0, NULL, NULL, 0, 0, NULL, 0.0 },
{ CHRONOVU_LA8, "LA8", "ChronoVu LA8", 8, SR_MHZ(100), 2, 0.8388608 },
{ CHRONOVU_LA16, "LA16", "ChronoVu LA16", 16, SR_MHZ(200), 4, 0.042 },
{ 0, NULL, NULL, 0, 0, 0, 0.0 },
};
/* LA8: channels are numbered 0-7. LA16: channels are numbered 0-15. */
@ -260,73 +258,60 @@ static int reset_device(struct dev_context *devc)
return SR_OK;
}
SR_PRIV int cv_configure_channels(const struct sr_dev_inst *sdi)
SR_PRIV int cv_convert_trigger(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
const struct sr_channel *ch;
const GSList *l;
struct sr_trigger *trigger;
struct sr_trigger_stage *stage;
struct sr_trigger_match *match;
const GSList *l, *m;
uint16_t channel_bit;
char *tc;
devc = sdi->priv;
devc->trigger_pattern = 0x0000; /* Default to "low" trigger. */
devc->trigger_mask = 0x0000; /* Default to "don't care". */
devc->trigger_edgemask = 0x0000; /* Default to "state triggered". */
for (l = sdi->channels; l; l = l->next) {
ch = (struct sr_channel *)l->data;
if (!(trigger = sr_session_trigger_get()))
return SR_OK;
if (!ch) {
sr_err("%s: channel was NULL.", __func__);
return SR_ERR;
}
if (g_slist_length(trigger->stages) > 1) {
sr_err("This device only supports 1 trigger stage.");
return SR_ERR;
}
/* Skip disabled channels. */
if (!ch->enabled)
continue;
/* Skip (enabled) channels with no configured trigger. */
if (!ch->trigger)
continue;
/* Note: Must only be run if ch->trigger != NULL. */
if (ch->index < 0 || ch->index > (int)devc->prof->num_channels - 1) {
sr_err("Invalid channel index %d, must be "
"between 0 and %d.", ch->index,
devc->prof->num_channels - 1);
return SR_ERR;
}
channel_bit = (1 << (ch->index));
/* Configure the channel's trigger pattern/mask/edgemask. */
for (tc = ch->trigger; tc && *tc; tc++) {
devc->trigger_mask |= channel_bit;
/* Sanity check, LA8 only supports low/high trigger. */
if ((devc->prof->model == CHRONOVU_LA8) &&
(*tc != '0' && *tc != '1')) {
sr_err("Invalid trigger '%c', only "
"'0'/'1' supported.", *tc);
for (l = trigger->stages; l; l = l->next) {
stage = l->data;
for (m = stage->matches; m; m = m->next) {
match = m->data;
if (!match->channel->enabled)
/* Ignore disabled channels with a trigger. */
continue;
if (devc->prof->model == CHRONOVU_LA8 &&
(match->match == SR_TRIGGER_RISING
|| match->match == SR_TRIGGER_FALLING)) {
sr_err("This model supports only simple triggers.");
return SR_ERR;
}
channel_bit = (1 << (match->channel->index));
/* state: 1 == high, edge: 1 == rising edge. */
if (*tc == '1' || *tc == 'r')
if (match->match == SR_TRIGGER_ONE
|| match->match == SR_TRIGGER_RISING)
devc->trigger_pattern |= channel_bit;
/* LA16 (but not LA8) supports edge triggering. */
if ((devc->prof->model == CHRONOVU_LA16)) {
if (*tc == 'r' || *tc == 'f')
devc->trigger_edgemask |= channel_bit;
if (match->match == SR_TRIGGER_RISING
|| match->match == SR_TRIGGER_FALLING)
devc->trigger_edgemask |= channel_bit;
}
}
}
sr_dbg("Trigger pattern/mask/edgemask = 0x%04x / 0x%04x / 0x%04x.",
devc->trigger_pattern, devc->trigger_mask,
devc->trigger_edgemask);
devc->trigger_pattern, devc->trigger_mask,
devc->trigger_edgemask);
return SR_OK;
}

4
hardware/chronovu-la/protocol.h
View File

@ -47,7 +47,7 @@ struct cv_profile {
const char *iproduct; /* USB iProduct string */
unsigned int num_channels;
uint64_t max_samplerate;
const char *trigger_type;
const int num_trigger_matches;
float trigger_constant;
};
@ -133,7 +133,7 @@ SR_PRIV void cv_fill_samplerates_if_needed(const struct sr_dev_inst *sdi);
SR_PRIV uint8_t cv_samplerate_to_divcount(const struct sr_dev_inst *sdi,
uint64_t samplerate);
SR_PRIV int cv_write(struct dev_context *devc, uint8_t *buf, int size);
SR_PRIV int cv_configure_channels(const struct sr_dev_inst *sdi);
SR_PRIV int cv_convert_trigger(const struct sr_dev_inst *sdi);
SR_PRIV int cv_set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate);
SR_PRIV int cv_read_block(struct dev_context *devc);
SR_PRIV void cv_send_block_to_session_bus(struct dev_context *devc, int block);